Six statements are given about the role of components in the Central Processing Unit (CPU). (a) Tick (✓) to show whether each statement applies to the Memory Address Register (MAR), Memory Data Register (MDR) or Program Counter (PC). Some statements may apply to more than one component. | Statement | MAR (✓) | MDR (✓) | PC (✓) | | :--- | :--- | :--- | :--- | | it is a register in the CPU | | | | | it holds the address of the next instruction to be processed | | | | | it holds the address of the data that is about to be fetched from memory | | | | | it holds the data that has been fetched from memory | | | | | it receives signals from the control unit | | | | | it uses the address bus to send an address to another component | | | | [6] (b) Identify the component in the CPU that carries out calculations. \_\_\_\_ [1]

2021 - O/N - 0478/11 | Q6

0/11

0 correct · 0 wrong

Six statements are given about the role of components in ...